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Pierre Langlois d5b29f43de [arm] Support splitting add with immediate instructions 
When an immediate does not fit an add instruction we use a temporary register to
hold the value, using movw/movt to encode it. However, in order to remove a use
of r9 in TurboFan's code generator, we need to cope with no scratch registers
being available. That is to say that the destination and source registers are
the same, and `ip` is not available to use.

In this case, we can split an add instruction into a sequence of additions:
```
UseScratchRegisterScope temps(...);
Register my_scratch = temps.Acquire();
__ add(r0, r0, Operand(0xabcd); // add r0, r0, #0xcd
                                // add r0, r0, #0xab00
```

As a drive-by fix, make the disassembler test fail if we expected a different
number of instructions generated.

Bug: v8:6553
Change-Id: Ib7fcc765d28bccafe39257f47cd73f922c5873bf
Reviewed-on: https://chromium-review.googlesource.com/685014
Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Commit-Queue: Pierre Langlois <pierre.langlois@arm.com>
Cr-Commit-Position: refs/heads/master@{#48491}
2017-10-12 08:06:35 +00:00
..
compiler [cctest] Record execution of parallel moves. 2017-10-11 14:18:49 +00:00
heap [heap] Remove dead code related to idle finalization rounds. 2017-10-12 07:11:05 +00:00
interpreter [bigint] Support BigInts in -,~,++,-- unary ops 2017-10-12 01:40:33 +00:00
libplatform Reland "Switch tracing to use v8::TracingController" 2017-07-03 11:49:23 +00:00
libsampler Include only stuff you need, part 6: Fix cctest.h. 2016-09-01 12:02:16 +00:00
parsing [parser] Skipping inner funcs: Fix hoisting. 2017-10-05 12:00:45 +00:00
wasm [wasm] [multival] Reland: Allow function types as block types 2017-10-11 14:59:49 +00:00
BUILD.gn Remove FFI prototype. 2017-10-10 11:12:59 +00:00
cctest_exe.isolate [Swarming] Isolate perf tests. 2016-02-15 11:17:18 +00:00
cctest.cc [cctests] Check for stray Isolates in DEBUG builds 2017-10-11 13:02:15 +00:00
cctest.gyp Remove FFI prototype. 2017-10-10 11:12:59 +00:00
cctest.h [iwyu] Fix cctest inline header inclusion violation. 2017-09-08 11:59:53 +00:00
cctest.isolate [Interpreter] Refactor bytecode generator test suite. 2016-02-25 12:07:19 +00:00
cctest.status [test] Add stress_incremental_marking testing variant 2017-10-05 13:10:42 +00:00
DEPS Add DEPS files and run checkdeps in presubmit check 2014-06-03 13:39:42 +00:00
expression-type-collector-macros.h Make typing-asm match spec more closely around load/store, add more tests. 2015-11-30 21:11:47 +00:00
gay-fixed.cc Disable soon to be deprecated APIs per default for v8 2015-12-09 10:35:04 +00:00
gay-fixed.h [presubmit] Enable readability/namespace linter checking. 2015-09-30 13:47:11 +00:00
gay-precision.cc Disable soon to be deprecated APIs per default for v8 2015-12-09 10:35:04 +00:00
gay-precision.h [presubmit] Enable readability/namespace linter checking. 2015-09-30 13:47:11 +00:00
gay-shortest.cc Disable soon to be deprecated APIs per default for v8 2015-12-09 10:35:04 +00:00
gay-shortest.h [presubmit] Enable readability/namespace linter checking. 2015-09-30 13:47:11 +00:00
log-eq-of-logging-and-traversal.js Fix test-log/EquivalenceOfLoggingAndTraversal 2013-08-26 14:56:23 +00:00
OWNERS Remove x87 port 2017-07-18 18:20:40 +00:00
print-extension.cc Pass Isolate pointer to String::Utf8Value/Value constructors 2017-08-28 18:17:08 +00:00
print-extension.h Remove deprecated functions the smaller half of the remaing tests 2015-11-17 12:42:44 +00:00
profiler-extension.cc Introduce v8::CpuProfiler::New and v8::CpuProfiler::Dispose API. 2016-07-08 15:01:10 +00:00
profiler-extension.h Introduce v8::CpuProfiler::New and v8::CpuProfiler::Dispose API. 2016-07-08 15:01:10 +00:00
scope-test-helper.h [parser] Skipping inner funcs: Associate data to SharedFunctionInfo, not Script. 2017-06-30 11:12:52 +00:00
setup-isolate-for-tests.cc [heap] remove heap init from shipping binary. 2017-09-07 05:24:49 +00:00
setup-isolate-for-tests.h [heap] remove heap init from shipping binary. 2017-09-07 05:24:49 +00:00
test-access-checks.cc Fix receiver checks for v8::Function on a remote context receiver. 2017-02-22 10:13:24 +00:00
test-accessor-assembler.cc Remove ComputeFlags, simply pass in Code::Kind instead of Code::Flags 2017-09-29 15:37:27 +00:00
test-accessors.cc [cctest] Simplify the majority of callers of CcTest::CollectAllGarbage 2017-04-27 17:20:54 +00:00
test-allocation.cc [Memory] Move GetRandomMmapAddr from base::OS platform to v8::internal. 2017-09-22 15:26:18 +00:00
test-api-accessors.cc Remove experimental fast accessor builder API 2017-03-14 08:14:48 +00:00
test-api-interceptors.cc [api] Do not re-use PropertyCallbackArguments 2017-09-06 08:31:56 +00:00
test-api.cc Reland "[modules] Implement import.meta proposal" 2017-10-11 15:37:10 +00:00
test-api.h Start preparing test/cctest for jumbo compilation 2017-08-14 20:58:10 +00:00
test-array-list.cc [iwyu] Remove stale TODOs about objects-inl.h inclusion. 2017-10-09 11:14:59 +00:00
test-assembler-arm64.cc Reland "[arm64] Add slot copier to masm and use in builtins" 2017-10-11 10:38:54 +00:00
test-assembler-arm.cc [arm] Support splitting add with immediate instructions 2017-10-12 08:06:35 +00:00
test-assembler-ia32.cc Remove ComputeFlags, simply pass in Code::Kind instead of Code::Flags 2017-09-29 15:37:27 +00:00
test-assembler-mips64.cc Remove ComputeFlags, simply pass in Code::Kind instead of Code::Flags 2017-09-29 15:37:27 +00:00
test-assembler-mips.cc Remove ComputeFlags, simply pass in Code::Kind instead of Code::Flags 2017-09-29 15:37:27 +00:00
test-assembler-ppc.cc Remove ComputeFlags, simply pass in Code::Kind instead of Code::Flags 2017-09-29 15:37:27 +00:00
test-assembler-s390.cc Remove ComputeFlags, simply pass in Code::Kind instead of Code::Flags 2017-09-29 15:37:27 +00:00
test-assembler-x64.cc Remove ComputeFlags, simply pass in Code::Kind instead of Code::Flags 2017-09-29 15:37:27 +00:00
test-atomicops.cc [cctest] Avoid disallowed "using namespace" directive. 2017-09-01 08:28:36 +00:00
test-bignum-dtoa.cc [jumbo] add test namespaces for cctest 2017-09-21 08:46:16 +00:00
test-bignum.cc [jumbo] add test namespaces for cctest 2017-09-21 08:46:16 +00:00
test-bit-vector.cc Start preparing test/cctest for jumbo compilation 2017-08-14 20:58:10 +00:00
test-circular-queue.cc Disable soon to be deprecated APIs per default for v8 2015-12-09 10:35:04 +00:00
test-code-layout.cc [iwyu] Remove stale TODOs about objects-inl.h inclusion. 2017-10-09 11:14:59 +00:00
test-code-stub-assembler.cc Add NumberAdd/NumberSub methods to CSA 2017-10-09 06:24:41 +00:00
test-code-stubs-arm64.cc [cctest] Avoid disallowed "using namespace" directive. 2017-09-01 08:28:36 +00:00
test-code-stubs-arm.cc [assembler] Remove RegisterBase::is method 2017-09-07 15:03:22 +00:00
test-code-stubs-ia32.cc [iwyu] Remove illegal inline include from "macro-assembler.h" 2017-09-13 11:44:07 +00:00
test-code-stubs-mips64.cc [iwyu] Remove illegal inline include from "macro-assembler.h" 2017-09-13 11:44:07 +00:00
test-code-stubs-mips.cc [iwyu] Remove illegal inline include from "macro-assembler.h" 2017-09-13 11:44:07 +00:00
test-code-stubs-x64.cc [jumbo] add test namespaces for cctest 2017-09-21 08:46:16 +00:00
test-code-stubs.cc [cctest] Avoid disallowed "using namespace" directive. 2017-09-01 08:28:36 +00:00
test-code-stubs.h [cctest] Avoid disallowed "using namespace" directive. 2017-09-01 08:28:36 +00:00
test-compiler.cc Use MaybeHandle for values that could be empty 2017-10-05 13:16:55 +00:00
test-constantpool.cc Start preparing test/cctest for jumbo compilation 2017-08-14 20:58:10 +00:00
test-conversions.cc [iwyu] Remove stale TODOs about objects-inl.h inclusion. 2017-10-09 11:14:59 +00:00
test-cpu-profiler.cc [profiler] Fix heap iteration to ignore deoptimized code objects. 2017-10-11 06:51:18 +00:00
test-date.cc Start preparing test/cctest for jumbo compilation 2017-08-14 20:58:10 +00:00
test-debug.cc [cleanup] Remove List. 2017-09-28 10:47:40 +00:00
test-decls.cc Start preparing test/cctest for jumbo compilation 2017-08-14 20:58:10 +00:00
test-deoptimization.cc Pass Isolate pointer to String::Utf8Value/Value constructors 2017-08-28 18:17:08 +00:00
test-dictionary.cc [runtime] Make GetHash and GetOrCreateHash member functions 2017-08-22 00:35:31 +00:00
test-disasm-arm64.cc [cctest] Avoid disallowed "using namespace" directive. 2017-09-01 08:28:36 +00:00
test-disasm-arm.cc [arm] Support splitting add with immediate instructions 2017-10-12 08:06:35 +00:00
test-disasm-ia32.cc Remove ComputeFlags, simply pass in Code::Kind instead of Code::Flags 2017-09-29 15:37:27 +00:00
test-disasm-mips64.cc [cctest] Avoid disallowed "using namespace" directive. 2017-09-01 08:28:36 +00:00
test-disasm-mips.cc [cctest] Avoid disallowed "using namespace" directive. 2017-09-01 08:28:36 +00:00
test-disasm-ppc.cc [cctest] Avoid disallowed "using namespace" directive. 2017-09-01 08:28:36 +00:00
test-disasm-s390.cc [cctest] Avoid disallowed "using namespace" directive. 2017-09-01 08:28:36 +00:00
test-disasm-x64.cc Remove ComputeFlags, simply pass in Code::Kind instead of Code::Flags 2017-09-29 15:37:27 +00:00
test-diy-fp.cc Start preparing test/cctest for jumbo compilation 2017-08-14 20:58:10 +00:00
test-double.cc Start preparing test/cctest for jumbo compilation 2017-08-14 20:58:10 +00:00
test-dtoa.cc [jumbo] add test namespaces for cctest 2017-09-21 08:46:16 +00:00
test-elements-kind.cc [jumbo] add test namespaces for cctest 2017-09-21 08:46:16 +00:00
test-experimental-extra.js Add experimental, non-snapshotted V8 extras 2015-08-20 00:01:14 +00:00
test-extra.js Add isPromise V8 extras util 2017-04-06 13:16:35 +00:00
test-fast-dtoa.cc [jumbo] add test namespaces for cctest 2017-09-21 08:46:16 +00:00
test-feedback-vector.cc [turbofan] Optimize fast enum cache driven for..in. 2017-09-01 11:27:37 +00:00
test-feedback-vector.h [objects] Make feedback vector a first-class object 2017-07-27 13:31:55 +00:00
test-field-type-tracking.cc [jumbo] add test namespaces for cctest 2017-09-21 08:46:16 +00:00
test-fixed-dtoa.cc Start preparing test/cctest for jumbo compilation 2017-08-14 20:58:10 +00:00
test-flags.cc Start preparing test/cctest for jumbo compilation 2017-08-14 20:58:10 +00:00
test-func-name-inference.cc [iwyu] Remove include debug.h -> arguments.h 2017-02-09 09:19:23 +00:00
test-fuzz-arm64.cc [cctest] Avoid disallowed "using namespace" directive. 2017-09-01 08:28:36 +00:00
test-global-handles.cc Start preparing test/cctest for jumbo compilation 2017-08-14 20:58:10 +00:00
test-global-object.cc Pass Isolate pointer to String::Utf8Value/Value constructors 2017-08-28 18:17:08 +00:00
test-hashcode.cc [runtime] Make GetHash and GetOrCreateHash member functions 2017-08-22 00:35:31 +00:00
test-hashmap.cc [jumbo] add test source file namespace in test-hashmap.cc 2017-09-25 16:51:38 +00:00
test-heap-profiler.cc Reland "Reland "[profiler] proper observation of old space inline allocations"" 2017-09-25 15:13:01 +00:00
test-identity-map.cc [iwyu] Remove stale TODOs about objects-inl.h inclusion. 2017-10-09 11:14:59 +00:00
test-inobject-slack-tracking.cc [jumbo] add test namespaces for cctest 2017-09-21 08:46:16 +00:00
test-intl.cc [intl] Implement Intl.NumberFormat.prototype.formatToParts 2017-06-30 20:14:18 +00:00
test-javascript-arm64.cc [jumbo] arm64 cctest fixes 2017-09-30 17:17:23 +00:00
test-js-arm64-variables.cc [jumbo] arm64 cctest fixes 2017-09-30 17:17:23 +00:00
test-liveedit.cc Start preparing test/cctest for jumbo compilation 2017-08-14 20:58:10 +00:00
test-lockers.cc [jumbo] add test namespaces for cctest 2017-09-21 08:46:16 +00:00
test-log-stack-tracer.cc Start preparing test/cctest for jumbo compilation 2017-08-14 20:58:10 +00:00
test-log.cc Pass Isolate pointer to String::Utf8Value/Value constructors 2017-08-28 18:17:08 +00:00
test-macro-assembler-arm.cc [jumbo] arm unittests fixup 2017-10-03 06:24:30 +00:00
test-macro-assembler-mips64.cc Remove ComputeFlags, simply pass in Code::Kind instead of Code::Flags 2017-09-29 15:37:27 +00:00
test-macro-assembler-mips.cc Remove ComputeFlags, simply pass in Code::Kind instead of Code::Flags 2017-09-29 15:37:27 +00:00
test-macro-assembler-x64.cc [macro-assembler] Delete unused Jump/CheckBothSmi 2017-10-09 23:29:45 +00:00
test-managed.cc Refactor Managed construction 2017-09-04 11:37:42 +00:00
test-mementos.cc [iwyu] Remove stale TODOs about objects-inl.h inclusion. 2017-10-09 11:14:59 +00:00
test-modules.cc [api] Expose a module's status and exception. 2017-06-28 15:54:57 +00:00
test-object.cc [iwyu] Remove obsolete "api.h" include from "handles-inl.h". 2017-09-11 12:52:20 +00:00
test-orderedhashtable.cc [jumbo] add test namespaces for cctest 2017-09-21 08:46:16 +00:00
test-parsing.cc Parsing import.meta expression 2017-10-09 02:47:31 +00:00
test-platform-linux.cc [Memory] Move GetRandomMmapAddr from base::OS platform to v8::internal. 2017-09-22 15:26:18 +00:00
test-platform-win32.cc [Memory] Move GetRandomMmapAddr from base::OS platform to v8::internal. 2017-09-22 15:26:18 +00:00
test-platform.cc S390:Update inline asm constraint in test-platform 2016-07-16 15:36:45 +00:00
test-profile-generator.cc [jumbo] add test namespaces for cctest 2017-09-21 08:46:16 +00:00
test-random-number-generator.cc Start preparing test/cctest for jumbo compilation 2017-08-14 20:58:10 +00:00
test-regexp.cc [refactoring] Prepare conversions{.h,-inl.h,.cc} for BigInt.parseInt 2017-09-26 22:52:31 +00:00
test-representation.cc Start preparing test/cctest for jumbo compilation 2017-08-14 20:58:10 +00:00
test-run-wasm-relocation-arm64.cc Remove ComputeFlags, simply pass in Code::Kind instead of Code::Flags 2017-09-29 15:37:27 +00:00
test-run-wasm-relocation-arm.cc Remove ComputeFlags, simply pass in Code::Kind instead of Code::Flags 2017-09-29 15:37:27 +00:00
test-run-wasm-relocation-ia32.cc Remove ComputeFlags, simply pass in Code::Kind instead of Code::Flags 2017-09-29 15:37:27 +00:00
test-run-wasm-relocation-x64.cc Remove ComputeFlags, simply pass in Code::Kind instead of Code::Flags 2017-09-29 15:37:27 +00:00
test-sampler-api.cc Include only stuff you need, part 6: Fix cctest.h. 2016-09-01 12:02:16 +00:00
test-serialize.cc [serializer] Properly dispose Isolates in tests 2017-10-06 07:50:01 +00:00
test-simulator-arm64.cc [arm64-simulator] Dispose stray Isolate in test 2017-10-06 15:09:03 +00:00
test-simulator-arm.cc [arm-simulator] Dispose stray Isolate in test 2017-10-06 12:05:02 +00:00
test-strings.cc Remove --string-slices and --serialize-eager. 2017-09-28 04:41:18 +00:00
test-strtod.cc [jumbo] add test namespaces for cctest 2017-09-21 08:46:16 +00:00
test-symbols.cc [iwyu] Remove stale TODOs about objects-inl.h inclusion. 2017-10-09 11:14:59 +00:00
test-thread-termination.cc [console] correctly propagate exceptions. 2017-08-31 13:37:12 +00:00
test-threads.cc [cleanup] Replace List with std::vector in cctests and d8. 2017-08-29 13:29:26 +00:00
test-trace-event.cc [cleanup] Replace List with std::vector in cctests and d8. 2017-08-29 13:29:26 +00:00
test-traced-value.cc [tracing] Use locale independent writer for FP values. 2017-01-12 08:08:57 +00:00
test-transitions.cc [iwyu] Remove stale TODOs about objects-inl.h inclusion. 2017-10-09 11:14:59 +00:00
test-transitions.h Refactor TransitionArray access 2017-07-28 19:41:21 +00:00
test-typedarrays.cc Start preparing test/cctest for jumbo compilation 2017-08-14 20:58:10 +00:00
test-types.cc [iwyu] Remove stale TODOs about objects-inl.h inclusion. 2017-10-09 11:14:59 +00:00
test-unbound-queue.cc Disable soon to be deprecated APIs per default for v8 2015-12-09 10:35:04 +00:00
test-unboxed-doubles.cc [jumbo] add test namespaces for cctest 2017-09-21 08:46:16 +00:00
test-unscopables-hidden-prototype.cc Disable soon to be deprecated APIs per default for v8 2015-12-09 10:35:04 +00:00
test-usecounters.cc [jumbo] add test namespaces for cctest 2017-09-21 08:46:16 +00:00
test-utils-arm64.cc [assembler] Make Register et al. real classes 2017-09-06 12:13:09 +00:00
test-utils-arm64.h [assembler] Make Register et al. real classes 2017-09-06 12:13:09 +00:00
test-utils.cc Start preparing test/cctest for jumbo compilation 2017-08-14 20:58:10 +00:00
test-version.cc [build] Introduce an embedder version string 2017-10-05 07:17:45 +00:00
test-weakmaps.cc Make sure the identity hash is uniform (at least in the lower bits). 2017-10-12 03:47:56 +00:00
test-weaksets.cc [iwyu] Remove stale TODOs about objects-inl.h inclusion. 2017-10-09 11:14:59 +00:00
testcfg.py [test] Fix deterministic test shards. 2016-03-31 07:38:22 +00:00
trace-extension.cc Expose TickSample and its APIs in v8-profiler.h 2016-07-06 18:40:31 +00:00
trace-extension.h Expose TickSample and its APIs in v8-profiler.h 2016-07-06 18:40:31 +00:00
types-fuzz.h [turbofan] HeapConstant types should compare by handle address 2016-10-08 16:51:53 +00:00
unicode-helpers.h [parser/test] Move cctest/PreParserScopeAnalysis into a new file. 2017-02-07 10:11:01 +00:00